Outlier AI records 10,372,036 monthly visits with +7.6% month-over-month growth and Paid pricing. StackRef records 765 monthly visits with +184.4% growth and Contact for Pricing pricing.
Get paid to train the next generation of AI models
Senior cloud, DevOps and security consulting plus a self-hosted hackathon manager
| Dimension / Metric | | |
|---|---|---|
| Official Domain | outlier.ai | stackref.com |
| Pricing Model | Paid | Contact for Pricing |
| Monthly Visits | 10.37M (10,372,036) | 765 (765) |
| MoM Traffic Delta | +736.51K (+7.6%) | +496 (+184.4%) |
| Primary Market & Share | 🇺🇸 United States (21.6%) | 🇮🇩 Indonesia (100%) |
| Direct Visits / mo | 5.82M | 305 |
| User Rating | 3.8 | 4 |
| Supported Platforms | Website | Website |
Get paid to train the next generation of AI models
After skill screening, contributors are matched to projects that fit their domain, from coding and math to linguistics and medicine.
No minimum hours and fully remote work, so experts can fit tasks around study, research or a primary job.
Typical work includes writing hard prompts, producing grading rubrics, ranking competing answers and reviewing model reasoning.
Contributors are paid for approved work each week, with rewards that scale with the quality of their output.
Senior cloud, DevOps and security consulting plus a self-hosted hackathon manager
Hands-on architecture, security, and cost optimization across AWS, GCP, and Azure, led by a CISSP-certified architect with 20+ years of experience.
Focused engagements on hardening cloud environments and supporting compliance, with an emphasis on robust, well-governed infrastructure.
Practical work to reduce cloud spend and right-size infrastructure without sacrificing reliability.
A self-designed, self-hosted, end-to-end internal hackathon manager covering sandbox environments and AI scoring to run innovation events.
Matches vetted domain experts with remote AI training and engineering roles using AI-driven vetting.
Matches vetted domain experts with remote AI training and engineering roles using AI-driven vetting.
Offers crowdsourced data collection and annotation services, operating on a broader task-based crowdsourcing model.
Offers crowdsourced data collection and annotation services, operating on a broader task-based crowdsourcing model.
Connects AI research labs with human subject matter experts for specialized evaluation and data annotation tasks.
Connects AI research labs with human subject matter experts for specialized evaluation and data annotation tasks.
Free / Open-sourceGoogle's batteries-included framework for scalable web apps
Established enterprise data annotation provider offering large-scale human validation and alignment services for AI models.
SpecialistHosts AI hackathons and community building events rather than freelance data annotation work.
SpecialistHosts AI hackathons and community building events rather than freelance data annotation work.
Provides enterprise-grade human data and RLHF evaluation, connecting expert annotators with leading AI labs.
Provides enterprise-grade human data and RLHF evaluation, connecting expert annotators with leading AI labs.
Free / Open-sourceLarge open community hub for data science and machine learning practitioners to collaborate and network.
Free / Open-sourceLarge open community hub for data science and machine learning practitioners to collaborate and network.
SpecialistProvides custom enterprise AI consulting and development services rather than crowd-sourced annotation tasks.
SpecialistProvides custom enterprise AI consulting and development services rather than crowd-sourced annotation tasks.
SpecialistFocuses on security challenges and bug bounties for AI models and libraries instead of general data labeling.
SpecialistFocuses on security challenges and bug bounties for AI models and libraries instead of general data labeling.
SpecialistLow-smoke, halogen-free rigid PVC conduit for safer electrical containment
SpecialistLow-smoke, halogen-free rigid PVC conduit for safer electrical containment
